@article{Ziolkowski:2010/1,
  author = "Ziolkowski, Janusz",
  title = "{On the Apparent Lack of Be X-ray Binaries with Black Holes}",
  doi = "10.22323/1.096.0006",
  journal = "PoS",
  year = 2010,
  volume = "extremesky2009",
  pages = "006"
}